[C320-list] Engine stall only under load

[Bruce Heyman]

Salt water is better for wooden boats, less rot.

Bruce Heyman
(949) 289-8400

Warren Updike <wupdike at hotmail.com> wrote:

>Art, we are lucky to have water in the mid to upper Chesapeake Bay that is
>mostly fresh so I'm not the one to lament over the ills of salt water. That
>said, it's clear that salt water is the bane of all sailors; and, those who
>have no choice face increased maintenance from standing rigging to engines
>to just about all areas. So, I wouldn't be surprised to learn that it
>contributes to a shorter life for exhaust elbows. I would expect that the
>heat exchange tubes (if you have those,) would also crud-up faster and need
>to be cleaned to prevent erosion. Let's see what some real salt water
>sailors have to say about this.
>
>Warren & Pattie Updike
>1994 C320 #62 "Warr De Mar"
>
>-----Original Message-----
>From: Arthur Miller [mailto:millers1 at aol.com] 
>Sent: Wednesday, January 22, 2014 4:56 PM
>To: C320-List at Catalina320.com
>Cc: <C320-List at Catalina320.com>
>Subject: Re: [C320-list] Engine stall only under load
>
>Just curious, how does salt water cooling vs fresh water cooling contribute
>to exhaust elbow
>Fouling??   I operate in salt water and have changed a few elbows.  While
>the crud looks dark, banging the elbow (once removed) produces a lot of
>corrosion products.  Sooooo, is salt water also a big contributor to
>shorting elbow  life?  I note I 90% of the time I only charge batteries
>while motoring.
>Art.  #680
>
>Sent from my iPad
>
>On Jan 21, 2014, at 5:05 PM, Warren Updike <wupdike at hotmail.com> wrote:
>
>> The exhaust elbow may well be the problem. For some reason, the Yanmars
>seem to have more issues than the Perkins. The Perkins elbow is a cast iron
>piece. We have over 2,000 hours on our M30 and the last time I looked there
>was very little carbon buildup. 
>> 
>> I remind everyone that diesel engines like to be pushed. The most
>efficient rpm is about 80% of the rated "max. rpm" (check mfgrs specs.) If
>at all possible, cruise at higher rpm rather than lower. Always give the
>engine time to come to full operating temp before shutting down. If moored
>or anchored run engine in reverse when charging batteries, as an unloaded
>engine pushes a lot of unburned fuel and carbon at lower temps and tends to
>accumulate inside.
>> 
>> Donald, please do let us know what you find. The info can help is all.
>> 
>> Warren & Pattie Updike
>> 1994 C320 #62 "Warr De Mar"
>> 
>> -----Original Message-----
>> From: Donald Poole [mailto:dpoole15 at gmail.com] 
>> Sent: Monday, January 20, 2014 7:36 PM
>> To: c320-list at lists.catalina320.com
>> Subject: [C320-list] Engine stall only under load
>> 
>> Perkins M30. I can idle for hours regardless of RPM (1000, 1500, 2000,
>> 2500) but she stalls when I am underway. I have changed both primary and
>secondary fuel filters and the fuel lift pump. still stalls. Anyone have a
>suggestion of what I can try next. I'm thinking there may be a fuel tank
>problem ( vent or pick up line ) That's my next stop. If that's it I'll post
>the result. Appreciate any guidance or even just ideas.
>> 
>> 
>
>